Rectangular and square HSS

HSS 254x203x13

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 203.2d = 254t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
203.2mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
82.84kg/m
Cross-sectional areaA
10,552mm²
Outside perimeterP
870.8mm

Strong axis x–x

Moment of inertiaIx
94.0410⁶ mm⁴
Elastic section modulusSx
740.510³ mm³
Plastic section modulusZx
902.810³ mm³
Radius of gyrationrx
94.4mm

Weak axis y–y

Moment of inertiaIy
66.4310⁶ mm⁴
Elastic section modulusSy
653.910³ mm³
Plastic section modulusZy
77410³ mm³
Radius of gyrationry
79.35mm

Torsion and stability

Torsional constantJ
128,01010³ mm⁴

Equivalents in other standards